workspace: add ui-next

packages/ui-next/src/App.tsx

@@ -0,0 +1,5 @@
+function App() {
+    return <div></div>;
+}
+
+export default App;

packages/ui-next/src/main.tsx

@@ -0,0 +1,7 @@
+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App';
+
+createRoot(document.getElementById('root')!).render(<StrictMode>
+    <App />
+</StrictMode>);

packages/ui-next/src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />